Diagnostics and troubleshooting Liquiphant FTL64 HART
40 Endress+Hauser
Communication via CDI interface not working
Possible cause: Wrong setting of the COM port on the computer
Remedial action: Check the setting of the COM port on the computer and correct it if
necessary
Device measures incorrectly
Possible cause: Parametrization error
Remedial action: Check and correct the parameter configuration
No communication with device via SmartBlue
• Possible cause: No Bluetooth connection available
Remedial action: Enable the Bluetooth function on the smartphone, tablet and device
• Possible cause: The device is already connected with another smartphone/tablet
Remedial action: Disconnect the device from the other smartphone/tablet
• Ambient conditions (e.g. walls/tanks) disturbing the Bluetooth connection
Remedial action: Establish direct line-of-sight connection
• Display does not have Bluetooth
Login via SmartBlue not possible
• Possible cause: Device is being put into operation for the first time
Remedial action: Enter the user name ("admin") and the password (device serial number)
• Possible cause: There is insufficient power available.
Remedial action: Increase the supply voltage.
Device cannot be operated via SmartBlue
• Possible cause: Incorrect password entered
Remedial action: Enter the correct password
• Possible cause: Forgotten password
Remedial action: Use the operating key on the electronic insert to reset the password or
contact Endress+Hauser Service (www.addresses.endress.com)
• Possible cause: Operator user role has no authorization
Remedial action: Change to the Maintenance user role
11.1.2 Error - SmartBlue operation with Bluetooth®
Device is not visible in the live list
• Possible cause: No Bluetooth connection available
Remedial action: Enable Bluetooth in the field device via display or software tool and/or
in the smartphone/tablet
• Possible cause: Bluetooth signal outside of range
Remedial action: Reduce distance between field device and smartphone/tablet
The connection has a range of up to 25 m (82 ft).
Operating radius with intervisibility 10 m (33 ft)
• Possible cause: Geopositioning is not enabled on Android devices or is not permitted for
the SmartBlue app
Remedial action: Activate/allow geopositioning service on Android device for the
SmartBlue app
Device appears in the live list but a connection cannot be established
• Possible cause: The device is already connected with another smartphone/tablet via
Bluetooth
Only one point-to-point connection is permitted
Remedial action: Disconnect the smartphone/tablet from the device
• Possible cause: Incorrect user name and password
Remedial action: The standard user name is "admin" and the password is the device serial
number indicated on the device nameplate (only if the password was not changed by the
user beforehand)
If you have forgotten the password, use the operating key on the electronic insert to
reset the password or
contact Endress+Hauser Service (www.addresses.endress.com)
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